[media] staging: lirc: use %*ph to print small buffers

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: linux-media@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/media/lirc/lirc_igorplugusb.c

@@ -325,8 +325,8 @@ static int igorplugusb_remote_poll(void *data, struct lirc_buffer *buf)
 		if (ret < DEVICE_HEADERLEN)
 			return -ENODATA;
 
-		dprintk(DRIVER_NAME ": Got %d bytes. Header: %02x %02x %02x\n",
-			ret, ir->buf_in[0], ir->buf_in[1], ir->buf_in[2]);
+		dprintk(DRIVER_NAME ": Got %d bytes. Header: %*ph\n",
+			ret, 3, ir->buf_in);
 
 		do_gettimeofday(&now);
 		timediff = now.tv_sec - ir->last_time.tv_sec;

drivers/staging/media/lirc/lirc_zilog.c

@@ -658,8 +658,7 @@ static int send_data_block(struct IR_tx *tx, unsigned char *data_block)
 		buf[0] = (unsigned char)(i + 1);
 		for (j = 0; j < tosend; ++j)
 			buf[1 + j] = data_block[i + j];
-		dprintk("%02x %02x %02x %02x %02x",
-			buf[0], buf[1], buf[2], buf[3], buf[4]);
+		dprintk("%*ph", 5, buf);
 		ret = i2c_master_send(tx->c, buf, tosend + 1);
 		if (ret != tosend + 1) {
 			zilog_error("i2c_master_send failed with %d\n", ret);